docs: def content(self):
          """ Content of the panel when it's displayed in full screen. """
          toolbars = OrderedDict()
          for id, toolbar in DebugToolbar._store.items():
              content = {}
              for panel in toolbar.panels:
                  panel_id = None
                  nav_title = ''
                  nav_subtitle = ''
                  try:
                      panel_id = panel.panel_id
                      nav_title = panel.nav_title
                      nav_subtitle = panel.nav_subtitle() if isinstance(
                          panel.nav_subtitle, Callable) else panel.nav_subtitle
                  except Exception:
                      logger.debug('Error parsing panel info:', exc_info=True)
                  if panel_id is not None:
                      content.update({
                          panel_id: {
                              'panel_id': panel_id,
                              'nav_title': nav_title,
                              'nav_subtitle': nav_subtitle,
                          }
                      })
              toolbars[id] = {
                  'toolbar': toolbar,
                  'content': content
              }
          return get_template().render(Context({
              'toolbars': OrderedDict(reversed(list(toolbars.items()))),
              'trunc_length': CONFIG.get('RH_POST_TRUNC_LENGTH', 0)
          }))